stdout logs not getting off

[gsinghness]

I have a multipod setup, where I have multiple Kafka controller pods. I have added the Kafka exporter pod, which is running fine and is working as expected. Now the issue is it gives a continuous alot of stdout logs when I shoot 'kubectl logs'.

I0909 12:38:11.775037 28 kafka_exporter.go:704] [test-release-kafka-controller-0.test-release-kafka-controller-headless.test-project.svc.cluster.local:9092 test-release-kafka-controller-1.test-release-kafka-controller-headless.test-project.svc.cluster.local:9092 test-release-kafka-controller-2.test-release-kafka-controller-headless.test-project.svc.cluster.local:9092] I0909 12:38:41.770554 28 kafka_exporter.go:704] [test-release-kafka-controller-1.test-release-kafka-controller-headless.test-project.svc.cluster.local:9092 test-release-kafka-controller-2.test-release-kafka-controller-headless.test-project.svc.cluster.local:9092 test-release-kafka-controller-0.test-release-kafka-controller-headless.test-project.svc.cluster.local:9092] I0909 12:39:11.776922 28 kafka_exporter.go:704] [test-release-kafka-controller-2.test-release-kafka-controller-headless.test-project.svc.cluster.local:9092 test-release-kafka-controller-0.test-release-kafka-controller-headless.test-project.svc.cluster.local:9092 test-release-kafka-controller-1.test-release-kafka-controller-headless.test-project.svc.cluster.local:9092] I0909 12:39:41.772324 28 kafka_exporter.go:704] [test-release-kafka-controller-0.test-release-kafka-controller-headless.test-project.svc.cluster.local:9092 test-release-kafka-controller-1.test-release-kafka-controller-headless.test-project.svc.cluster.local:9092 test-release-kafka-controller-2.test-release-kafka-controller-headless.test-project.svc.cluster.local:9092] I0909 12:40:11.762937 28 kafka_exporter.go:704] [test-release-kafka-controller-0.test-release-kafka-controller-headless.test-project.svc.cluster.local:9092 test-release-kafka-controller-1.test-release-kafka-controller-headless.test-project.svc.cluster.local:9092 test-release-kafka-controller-2.test-release-kafka-controller-headless.test-project.svc.cluster.local:9092] I0909 12:40:41.765054 28 kafka_exporter.go:704] [test-release-kafka-controller-0.test-release-kafka-controller-headless.test-project.svc.cluster.local:9092 test-release-kafka-controller-1.test-release-kafka-controller-headless.test-project.svc.cluster.local:9092 test-release-kafka-controller-2.test-release-kafka-controller-headless.test-project.svc.cluster.local:9092] I0909 12:41:11.855388 28 kafka_exporter.go:704] [test-release-kafka-controller-0.test-release-kafka-controller-headless.test-project.svc.cluster.local:9092 test-release-kafka-controller-1.test-release-kafka-controller-headless.test-project.svc.cluster.local:9092 test-release-kafka-controller-2.test-release-kafka-controller-headless.test-project.svc.cluster.local:9092] I0909 12:41:41.774709 28 kafka_exporter.go:704] [test-release-kafka-controller-0.test-release-kafka-controller-headless.test-project.svc.cluster.local:9092 test-release-kafka-controller-1.test-release-kafka-controller-headless.test-project.svc.cluster.local:9092 test-release-kafka-controller-2.test-release-kafka-controller-headless.test-project.svc.cluster.local:9092] I0909 12:42:11.772687 28 kafka_exporter.go:704] [test-release-kafka-controller-0.test-release-kafka-controller-headless.test-project.svc.cluster.local:9092 test-release-kafka-controller-1.test-release-kafka-controller-headless.test-project.svc.cluster.local:9092 test-release-kafka-controller-2.test-release-kafka-controller-headless.test-project.svc.cluster.local:9092] I0909 12:42:41.778109 28 kafka_exporter.go:704] [test-release-kafka-controller-0.test-release-kafka-controller-headless.test-project.svc.cluster.local:9092 test-release-kafka-controller-1.test-release-kafka-controller-headless.test-project.svc.cluster.local:9092 test-release-kafka-controller-2.test-release-kafka-controller-headless.test-project.svc.cluster.local:9092]
I am using all the flags related to logs, "--log.level=info" , "--log.format=json", "--verbosity=0", "--no-log.enable-sarama". But still getting these.

My goal is to not put any logs on stdout; all logs should go to a file with log rotation enabled, and if not possible, the stdout logs should be in JSON format. Or if nothing's possible, completely turn off the logs from stdout.
@peczenyj @errm @danielqsj @dao-jun